<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>修饰超链接</title>
    <style>
        a:link {color:#000000;}      /* 未访问链接*/
        a:visited {color:#00FF00;}  /* 已访问链接 */
        a:hover {color:#FF00FF;}  /* 鼠标移动到链接上 */
        a:active {color:#0000FF;}
    </style>
</head>
<body>
<a href="https://www.baidu.com/">baidu</a>

</body>
</html>